electric force between two small charged spheres

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Two small spheres spaced 20.0 centimeters apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 * 10^(-21) newtons?

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Two small spheres spaced 20.0 centimeters apart have equal charge. How many excess electrons must be present on ...

Solution Summary

The solution shows how to apply Coulomb's law to calculate the force of repulsion between two charged spheres.

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